:root {
  color-scheme: light;
  --ink: #12202b;
  --muted: #68747d;
  --line: #dce2e5;
  --brand: #a6262d;
  --night: #07101d;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f2f4f3;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.8;
}

a {
  color: inherit;
  text-decoration: none;
}

.article-header {
  min-height: 76px;
  padding: 0 clamp(20px, 5vw, 76px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background: var(--night);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.article-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.article-header__brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.article-header__brand span {
  display: grid;
}

.article-header__brand b {
  font-size: 15px;
  line-height: 1.4;
}

.article-header__brand small {
  color: rgba(255, 255, 255, 0.55);
  font-size: 8px;
  line-height: 1.4;
}

.article-header__back {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

.article-header__back span,
.article-page__source span,
.article-page__footer a span {
  color: #dfb46a;
}

.article-page {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 84px;
}

.article-page__breadcrumb {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.article-page__breadcrumb i {
  color: #aab2b7;
  font-style: normal;
}

.article-page article {
  background: #fff;
  border-top: 3px solid var(--brand);
}

.article-page__intro {
  padding: clamp(34px, 6vw, 72px) clamp(24px, 7vw, 84px) 42px;
  border-bottom: 1px solid var(--line);
}

.article-page__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
}

.article-page__meta span {
  color: var(--brand);
  font-weight: 700;
}

.article-page h1 {
  max-width: 760px;
  margin: 22px 0 20px;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.2;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.article-page__summary {
  max-width: 720px;
  margin: 0;
  color: #58656f;
  font-size: 17px;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.article-page__byline {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  color: var(--muted);
  font-size: 12px;
}

.article-page__source {
  color: var(--brand);
  font-weight: 700;
}

.article-page__body {
  padding: 46px clamp(24px, 7vw, 84px) 64px;
}

.article-page__body > p {
  margin: 0 0 24px;
  font-size: 17px;
  line-height: 2;
}

.article-page__body h2 {
  margin: 52px 0 20px;
  font-size: 25px;
  line-height: 1.45;
  letter-spacing: 0;
}

.article-page__body blockquote {
  margin: 34px 0;
  padding: 22px 26px;
  color: #414d55;
  background: #f4f6f5;
  border-left: 3px solid var(--brand);
  font-size: 18px;
}

.article-page__body figure {
  margin: 38px 0;
}

.article-page__body img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  background: #edf0ef;
}

.article-page__body figcaption {
  padding-top: 10px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.article-page__list-item {
  display: grid;
  grid-template-columns: 8px 1fr;
  gap: 14px;
  align-items: start;
  margin: 14px 0;
}

.article-page__list-item i {
  width: 6px;
  height: 6px;
  margin-top: 13px;
  background: var(--brand);
}

.article-page__list-item p {
  margin: 0;
}

.article-page__footer {
  padding: 28px clamp(24px, 7vw, 84px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #fff;
  background: var(--night);
}

.article-page__footer p {
  margin: 0;
  font-weight: 700;
}

.article-page__footer a {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
}

@media (max-width: 680px) {
  .article-header {
    min-height: 64px;
  }

  .article-header__brand small {
    display: none;
  }

  .article-header__back {
    font-size: 0;
  }

  .article-header__back span {
    font-size: 18px;
  }

  .article-page {
    width: 100%;
    padding-top: 12px;
  }

  .article-page__breadcrumb {
    padding: 0 20px;
  }

  .article-page__intro {
    padding-top: 34px;
  }

  .article-page h1 {
    max-width: 100%;
    font-size: 28px;
    line-height: 1.28;
    word-break: break-all;
  }

  .article-page__summary,
  .article-page__body > p {
    font-size: 16px;
  }

  .article-page__body {
    padding-top: 34px;
  }

  .article-page__body figure {
    margin: 30px -24px;
  }

  .article-page__body figcaption {
    padding-inline: 20px;
  }

  .article-page__footer {
    align-items: flex-start;
    flex-direction: column;
  }
}